Mezzaluna knife



FIG. 1 is a front view of the mezzaluna knife showing my new design.

FIG. 2 is a back view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is another side view thereof.

FIG. 5 is bottom view thereof.

FIG. 6 is top view thereof; and,

FIG. 7 is a perspective view thereof. 

CLAIM The ornamental design for a mezzaluna knife, as shown and described. 